text: // Source code licensed under Apache License 2.0. 
  // Copyright © 2017 William Ngan. (https://github.com/williamngan/pts)
  
  window.demoDescription = "Demo in getting started guide.";
  
  //// Demo code starts (anonymous function wrapper is optional) ---
  
  (function() {
    
    let run = Pts.quickStart( "#pt", "#e2e6ef" );
  
    run( (time, ftime)  => {
      let radius = Num.cycle( (time%1000)/1000 ) * 20;
      form.fill("#0ca").point( space.pointer, radius, "circle" );
    });
  
    //// ----  
  
    space.bindMouse().bindTouch().play();
  
  })();